Amazon price trends

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As you will have noticed over the last few weeks that we have been providing Amazon alerts, their prices go up and down like a yo-yo, and it can be difficult to know if the price has dropped to a new low, or whether it's just dropping to what it was before following a period of being out of stock by Amazon and thus fulfilled by 3rd party sellers.

To help make this clearer, the Amazon bargain watch pages (UK | US) now provide links to graphs showing the price over time for each set. They make interesting viewing, particularly when there has been a lot of fluctuation. Take the UK price of the Toy Story train for example, its price seems to change every day, and is definitely heading down, but there are times when it goes back up for a few days.

It's all very strange how Amazon prices things; we'll probably never know the hows and whys, but at least we have better visibility now and thus can make more informed buying decisions.

20 comments on this article

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By in United States,

(Somewhat off-topic) I just started following the RSS feed, but every article shows the same title! Is there a way for it to title the article as the item(s) in short? It would be much easier than clicking on it constantly.

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By in United States,

I love the graphs feature, very interesting...

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By in United States,

Cool!! lots of strait lines in the US though. I like that there is a line for the RRP.

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By in United Kingdom,

From watching Amazon for a long time, the prices adjust to be slightly better than the lowest marketplace seller (even if it means going above RRP). They'll also price-match sales by other retailers if you send them a link which means you can sometimes take extra advantage of the free shipping.

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By in United Kingdom,

I have a belief also - and it may be total nonsense - that amazon may have some sort of an automated price adjustment system that checks the number of hits an item receives, which is compared to a amazon-set purchase ratio - if the item is not purchased to a certain ratio of views, then the price automatically goes down by a percentage fraction. If the item makes the views to purchase ratio, then it goes back up. SO an item that is viewed a lot, and not purchased at all could see its price continue to fall until it starts being purchased again.

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By in Ireland,

^@legomatt I think you're definitely on the right track there, I think airline companies do something similar with their fluctuation of plane ticket prices.

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By in United Kingdom,

^^ yep, I think that's about right too. So the funny thing is by telling more people about the offer (i.e.) sticking it on Brickset, the quicker the price is likely to go back up as it will get more views. Not that I'm complaining though, I love the feature, "you snooze you lose" as they say.

Oh, and nice addition with the graphs Huw.

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By in Belgium,

Did somebody say "graphs"? Excellent feature.

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By in Slovakia,

Graphs. Excellent feature! Thanks, Huw.
For your next trick, how about predicted pricing as a dotted line after? :-)

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By in United Kingdom,

"It's all very strange how Amazon prices things; we'll probably never know the hows and whys" - Huw

I did wonder last week whether demand required by Argos to run their promotion could have been partly responsible for Amazon's price hike a couple of weeks ago? Just a thought.

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By in United Kingdom,

Love the graphs... might it be possible to add to the set information box box the lowest price Amazon have charged for a set (if its lower than the price shown...would give us an idea if it might be worth holding out before buying) and save opening up every graph....

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By in Germany,

What's the light grey line in the graphs?

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By in United States,

Love the graphs!

Amazon does this price fluctuation with pretty much everything. Got some pretty good deals by checking every now and then, and sometimes wait too long :(

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By in United Kingdom,

^^ It's the RRP

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By in Germany,

@LegoCoastGuard: The DARK grey one is the RRP. There's another one, below it, but slightly lighter. What is that?

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By in United Kingdom,

Dark grey = RRP
Light grey = RRP-30% (UK) RRP-25% (US), in other words the price at which we alert.

@mkepcollection, great minds think alike, I plan to add that ASAP!

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By in Germany,

@Huw: Good, thanks. :)

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By in United Kingdom,

@Huw, adding the lowest price would be great , thank you!

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By in United Kingdom,

It does seem that every other post on the RSS feed is just an advert for your Amazon deal, which is kinda distracting...

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By in United States,

Awesome features with Amazon. Any chance you could add Want and Have counts for each sale item to gauge how truly popular these items are with people. Review ratings might also be beneficial. Thanks!

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